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OpenStudy (sleepyjess):
Determine whether the formula describes y as a function of x. Explain your reasoning. y = -x
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OpenStudy (quietus):
Yes. A function is defined as having only one y value for each x value.
OpenStudy (quietus):
You can use the vertical line test to proof it.
OpenStudy (quietus):
|dw:1403993261540:dw|
OpenStudy (quietus):
basically its a one to one function
OpenStudy (quietus):
as long as its a straight line
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OpenStudy (quietus):
|dw:1403993332027:dw|
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